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 | Nanotech 2007 Vol. 2
Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 2
Chapter 2: Polymer Nanotechnology |
| | Nanophase Separated Anionic Amphiphilic Model Polymer Conetworks Based on Methacrylic acid | | Authors: | G. Kali, T.K. Georgiou, B. Iván, C.S. Patrickios, E. Loizou, Y. Thomann and J. Tiller | | Affilation: | Hungaryan Academy of Sciences, Chemical Research Center, Institute of Materials and Environmental Ch, HU | | Pages: | 60 - 63 | | Keywords: | amphiphilic conetwork, model conetwork, methacrylic acid, degree of swelling, nanophase separation, small-angle neutron scattering, atomic force microscopy | | Abstract: | Two series of model amphiphilic polymer conetworks were synthesized by group transfer polymerization (GTP). The first one was composed of the hydrophobic methyl methacrylate (MMA) and the hydrophilic methacrylic acid (MAA), and the second one contained 2-butyl-1-octyl methacrylate (BOMA) as the hydrophobic monomer and MAA. Anionic amphiphilic model conetworks and the BOMA monomer were synthesized and investigated for the first time. The network synthesis was performed by sequential monomer/cross-linker additions to form conetwork series in a wide range of composition and architecture. All conetwork precursors and the extractables were characterized by gel permeation chromatography and nuclear magnetic resonance spectroscopy to determine the molecular weights and compositions, respectively. The polymer conetworks were investigated in terms of their degree of swelling in aqueous media and in THF. The thermal and mechanical properties were determined by differential scanning calorimetry and dynamic mechanical analyses, respectively. These results indicate the differences between the MMA and BOMA conetwork series. The nanophase separated structure was proved by atomic force microscopy (AFM) and small angle neutron spectroscopy (SANS) for the triblock copolymer model conetworks but not for the networks with random monomer distributions. | | ISBN: | 1-4200-6183-6 |
| Pages: | 838 |
| Hardcopy: | $199.99 |
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